/*
 * Copyright 2016 Magnus Madsen
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package ca.uwaterloo.flix.language

import java.util.concurrent.atomic.AtomicInteger

final class GenSym {

  /**
    * An internal counter.
    */
  private val counter: AtomicInteger = new AtomicInteger(0)

  /**
    * Returns a freshly generated unique id.
    */
  def freshId(): Int = {
    counter.getAndIncrement()
  }

}
